Техническая Спецификация для Linear Technology LTM2881-5 RS485 µModule Isolator Demo Board (5.0V Supply) DC1503A-B DC1503A-B
Модели
DC1503A-B
LTM2881
24
2881ff
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2009
LT 0213 REV F • PRINTED IN USA
(408) 432-1900
●
FAX: (408) 434-0507
●
relaTeD parTs
Typical applicaTion
PART NUMBER
DESCRIPTION
COMMENTS
Dual Isolated RS232 µModule Transceiver + Power
1Mbps, ±10kV HBM ESD, 2500V
RMS
Isolated RS485 Transceiver
2500V
RMS
Isolation in Surface Mount Package
±60V Fault-Protected Transceiver
Half Duplex
±60V Fault-Protected Transceiver
Full Duplex
20Mbps RS485 Transceivers with Integrated Switchable Termination
Full Duplex 15kV ESD
RS232/RS485 Multiprotocol Transceivers with Integrated Termination
20Mbps RS485 and 500kbps RS232,
±26kV ESD, 3V to 5V Operation
±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers
20Mbps or 250kbps, ±15kV HBM ESD,
±25V Common Mode Range
Figure 23. Multi-Node Network with End Termination
and Single Ground Connection on Isolation Bus
A
V
L
V
CC1
RE
DE
TE
RO
DI
GND
V
CC
V
CCA
2881 F23
B
Y
Z
A
PWR
GND2
A
V
L
RE
DE
TE
RO
DI
GND
V
CC
V
CCC
B
Y
Z
PWR
GND2
A
V
L
RE
DE
TE
RO
DI
GND
V
CC
V
CCB
B
Y
Z
PW
R
GND2
LTM2881
LTM2881
LTM2881
V
CC2
C
B
CABLE SHIELD
OR GROUND RETURN
ISOLA
TION BARRIER
ISOLA
TION BARRIER
ISOLATION BARRIER
B